<template>
  <div class="login">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">付俊文后台管理系统</h3>
      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          type="text"
          auto-complete="off"
          placeholder="账号"
        >
          <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaEnabled">
        <el-input
          v-model="loginForm.code"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img"/>
        </div>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          style="width:100%;"
          @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: right;" v-if="register">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2018-2023 疯狂的狮子Li All Rights Reserved.</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "admin",
        password: "admin123",
        rememberMe: false,
        code: "",
        uuid: "",
        // client_id:"yLBv6UPJc1",
        // client_secret:"4HA6fMozXn",
        // grant_type:"password",
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" }
        ],
        // code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {


      //平台单独的登录  2022年4月19日11:23:58
    this.getCode();
    this.getCookie();
    this.getLoginByNameAndTokenJ();

  },
  methods: {
    /**
     * 只传递code
     */
    getLoginByNameAndTokenJ(){
      //获取地址栏中的code
      // var code= this.$route.query.code;
      //获取地址栏中的code
      //获取地址栏中的token
      // var token = this.$route.query.token;
      var code = this.$route.query.code;


      // token = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOlsicmVzMSJdLCJleHAiOjE2ODc5NzYxODAsInVzZXJfbmFtZSI6IntcInBhc3N3b3JkXCI6XCIkMmEkMTAkN0pCNzIweXViVlNadlVJMHJFcUsvLlZxR09aVEgudWx1MzNkSE9pQkU4QnlPaEpJcmRBdTJcIixcInN0YXR1c1wiOlwiMFwiLFwidXNlcklkXCI6MSxcInVzZXJOYW1lXCI6XCJhZG1pblwifSIsImp0aSI6IjA3YmU5MTlkLTk3NTgtNDIxNS05YThmLTNhYTYwMjkyOGU2OCIsImNsaWVudF9pZCI6InlMQnY2VVBKYzEiLCJzY29wZSI6WyJhbGwiXX0.J6VlOynsZEbV2-Zjb_fTv_0Wuu914-W0JvGEwZQINXM"
      console.log("code:", code)

      //调用登录的接口
      if(code==''||code==undefined||code==null){
        console.log(1);
        //不是那边系统过来的，不走这个地方（阻止created的方法继续向下走）
        this.$loading({
          lock: true,
          text: "当前没有登录，正在跳往第三方系统登录中,请稍后。。。",
          spinner: "el-icon-loading",
        });
        return (window.location.href = "http://localhost:9998/login"); //我这里是直接跳转第三方去提示用户登录的
      }else{
        console.log(2);
        //转圈圈，不要看到登陆页面，无感体验
        this.loading = true;
        var logininfo= {
          "code":code
        };
        this.$loading({
          lock: true,
          text: "登录中请稍等。。。",
          spinner: "el-icon-loading",
        });

        //执行另一套登录操作
        //不是本系统的用户,去第三方平台登陆去
        this.$store.dispatch("LoginJHaveToken", logininfo).then(() => {
          this.$message.success("登录成功");
          this.loading = false;
          this.$loading().close()
          //判断当前角色
          // 这里面就是单点登录成功之后的逻辑
        }).catch(err=> {
          console.log("有异常信息",err);
          //异常信息
          this.loading = false;
          if (this.captchaOnOff) {
            this.getCode();
          }
        });
      }
    },




    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.data.captchaEnabled === undefined ? true : res.data.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.data.img;
          this.loginForm.uuid = res.data.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || "/" }).catch(()=>{});
          }).catch(() => {
            this.loading = false;
            if (this.captchaEnabled) {
              this.getCode();
            }
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 38px;
}
</style>
